常见例句双语例句Based on the trait of the motion of the rocker arm after jacket launching, the impact of the rocker arms on the barge was firstly studied in this paper.本文在阐述摇臂在导管架下水后的运动特点的基础上，首次进行了摇臂回转撞击驳船尾部甲板的研究。 返回 launch barge